Any 7-colorable knot can be colored by four colors
Kanako OSHIRO
Source: J. Math. Soc. Japan Volume 62, Number 3
(2010), 963-973.
Abstract
Any 7-colorable 1-knot has a 7-colored diagram such that exactly four colors of seven are assigned to the arcs of the diagram.
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Permanent link to this document: http://projecteuclid.org/euclid.jmsj/1280496826
Digital Object Identifier: doi:10.2969/jmsj/06230963
Zentralblatt MATH identifier: 05786477
Mathematical Reviews number (MathSciNet): MR2648069
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Project Euclid: euclid.ojm/1260892835
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